The Tac Force Speedster locking knife is designed in the USA. The TF640, Speedster Model Assisted Rescue Linerlock has a 3 inch, assisted opening, modified tanto blade, with dual thumb studs & extended tang, aluminum handle, integrated seat belt cutter & glass breaker tip. The assisted opening mechanism is only activated after the blade has been partially opened, either by the tang flipper or by the thumb stud. Age verification is carried out for all sales of knives. All prices shown include VAT and standard UK delivery.